{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327716",
    "entityType": "User",
    "nonce": "0x689bc5bbb9467fa57f4e8957936e6fe0dd0b8f1a1a08ae3c631d6ce68e411200",
    "signature": "0x584abf23a30d32811075301d794106bc40cc2f9f82e5310799d0691899487094318a79f0259b02f25146a332b08295979c8cbb08873bf1305e41f0a7ba2695db1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}